On July 1, 2025, a telescope in Chile detected something unexpected: a faint object streaking across the sky at an unusual ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Astronomers have made an exciting discovery: a massive, shining object racing through our solar system. The object, which was ...

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

Its closest approach to the Sun will occur around October 30, just inside Mars’ orbit, at 1.4 AU, before it continues its ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Astronomers have confirmed the discovery of a rare celestial visitor: a comet from beyond our Solar System. Officially named ...

The comet will zip past Mars’s orbit and reach its closest point to the Sun on 29 October 2025, at 1.35 astronomical units.

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...